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2389742354 = 24725422791
BaseRepresentation
bin1000111001110000…
…1001001100010010
320011112201111020002
42032130021030102
514343233223404
61033044250002
7113135321606
oct21634111422
96145644202
102389742354
111016a4688a
125683a0902
132c1136a3c
1418954d506
15debebc1e
hex8e709312

2389742354 has 8 divisors (see below), whose sum is σ = 3660882048. Its totient is φ = 1169448340.

The previous prime is 2389742351. The next prime is 2389742357. The reversal of 2389742354 is 4532479832.

It is an interprime number because it is at equal distance from previous prime (2389742351) and next prime (2389742357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×23897423543 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 2389742299 and 2389742308.

It is not an unprimeable number, because it can be changed into a prime (2389742351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12711302 + ... + 12711489.

It is an arithmetic number, because the mean of its divisors is an integer number (457610256).

Almost surely, 22389742354 is an apocalyptic number.

2389742354 is a deficient number, since it is larger than the sum of its proper divisors (1271139694).

2389742354 is a wasteful number, since it uses less digits than its factorization.

2389742354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25422840.

The product of its digits is 1451520, while the sum is 47.

The square root of 2389742354 is about 48884.9910913360. The cubic root of 2389742354 is about 1336.9557300332.

The spelling of 2389742354 in words is "two billion, three hundred eighty-nine million, seven hundred forty-two thousand, three hundred fifty-four".

Divisors: 1 2 47 94 25422791 50845582 1194871177 2389742354